hypotension, hypertension, heart liver, or thyroid disease, diabetes, psychiatric disease, asthma, pernicious anemia, anxiety, depression, seizure disorder, cardiac arrhythmia's, stroke, difficulty urinating
due to prostate enlargement, or if you are pregnant or nursing. Reduce or discontinue use if excessive sleeplessness, tremors, dizziness, nervousness, headaches, or heart palpitation occur. For use by healthy adults only. Not intended for use by persons under the age of 18.